Amann Seraflock is a slightly elastic and supple mousse yarn that is ideally suited for stretch seams and cover stitches on light, elastic fabrics, such as lingerie, swimwear or sportswear. Seraflock feels silky soft and does not shrink. Suitable for (cover)lock machines. Seraflock yarn has a soft structure, so it will not irritate the skin. Made of 100% polyester and washable up to 60°C. Available in many colors. The recommended needle size is NM 80/90. A cone has a running length of 1000 meters.